A collection of Putnam aviation volumes comprising Polish Aircraft 1893-1939; United States Navy since 1911; Japanese Aircraft of the Pacific War; The British Fighter since 1912; British Racing and Record Breaking Aircraft; Armourment of British Aircraft 1909-1939; Curtis Aircraft 1907-1947; Lockheed Aircraft since 1973; Schneider Trophy Aircraft 1913-31; Aircraft of the Royal Air Force 1918-1958; British Aviation: The Adventuring Years; Squadron Histories RFC, 1914; British Naval Aircraft since 1912; The British Bomber since 1914 (15)